Wilfred L. Farnham

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Blue Springs, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Crossing control unit
- Patent number 4,934,633
- Issue date Jun 19, 1990
- Harmon Industries, Inc.
- Forrest H. Ballinger
- B61 - RAILWAYS
Information Patent Grant
Processing system for grade crossing warning
- Patent number 4,581,700
- Issue date Apr 8, 1986
- SAB Harmon Industries, Inc.
- Wilfred L. Farnham
- B61 - RAILWAYS